More micrometastases, more recurrence? The role of qPCR of PSA mRNA in lymph nodes during prostatectomy
2025

Detecting Prostate Cancer Spread with qPCR

Sample size: 157 publication Evidence: moderate

Author Information

Author(s): Johannes Troidl, Alexander Fehr, Burkhard Jandrig, Jens Köllermann, Anke Lux, Daniel Baumunk, Melis Gür, Uwe-B. Liehr, Markus Porsch, Johann J. Wendler, Simon Blaschke, Martin Schostak

Primary Institution: University Hospital Magdeburg, Otto-von Guericke University Magdeburg

Hypothesis

Is qPCR better at predicting biochemical recurrence than conventional histology?

Conclusion

qPCR is more effective than conventional histology in detecting lymph node metastases, but it does not predict biochemical recurrence more accurately.

Supporting Evidence

  • qPCR identified 43.5% of positive cases compared to 14.8% by histopathology.
  • 34.9% of patients in the follow-up group experienced biochemical recurrence.
  • The study followed patients for an average of 5.4 years.

Takeaway

This study looked at how well a new test can find cancer spread in lymph nodes during prostate surgery. It found that the new test is better at finding cancer than the old method, but it doesn't help predict if the cancer will come back.

Methodology

A cohort of 157 patients who underwent radical prostatectomy with lymphadenectomy was examined, comparing qPCR and histological methods for detecting lymph node metastases.

Limitations

The study did not confirm that qPCR predicts biochemical recurrence better than histology.

Participant Demographics

Patients with prostate cancer who underwent radical prostatectomy.

Digital Object Identifier (DOI)

10.1007/s00345-024-05414-2

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